Stereotactic navigation system · UK public procurement notice

The purchase of a Decision Support and Guidance System for Percutaneous Ablations. This is a single system complete with relevant accessories to facilitate planning, conduction, and validation of CT-guided percutaneous ablations by providing the following capabilities:

• Software assisted ablation treatment planning: Tumour targets and surrounding safety margins can be identified and visualized in CT and /or MRI images, applicator trajectories can be planned in 2D and 3D, and desired ablation volumes can be simulated.
• Navigation based applicator placement: Applicators (ablation needles) can be safely and accurately placed to the target location with respect to the previously defined trajectory.
• Software assisted verification of applicator position: By fusing pre- and peri-operative images, the effective applicator position (in-situ) can be measured and subsequently verified relative to the planned trajectory. If required, treatment and ablation parameters can be adjusted to the actual situation.
• Software assisted validation of treatment: Fusion of pre- and postoperative CT images allows for validation of the effective ablation volume relative to the originally planned volume and assists in the decision making towards immediate re-treatment.

The system must provide the following essential functionalities:

• Import, display and processing of CT and MRI images
• Fusion of CT and MRI images to enable treatment of invisible lesions
• Trajectory planning for single and multiple applicators
• Software assisted treatment planning including

o Automatic identification of tumour volume

o User assisted selection of safety margin

o Database with performance parameters of applicators used in clinic

o Simulation of expected ablation volumes as function of time and energy

• Guided applicator alignment and insertion using a semi-robotic arm
• Automatic assessment of effective applicator position relative to plan,
• Update of treatment plan
• Automatic assessment of effective ablation volume relative to treatment plan